#include <strings.h>
#include<iostream>
#include<math.h>
 using namespace std;


int main ()
{
    int A, B, x;
    cout<< "Enter A";
    cin>> A;

    cout<< "Enter B";
    cin>> B;

    x=A;

    for(x; x<(B+1); x++)
    cout<<x;

}
